alternative care for children; further attention should be given to these guidelines by the Council at its eighth session; Eradication of poverty 21. Calls upon States and the international community to cooperate, support and participate in the global efforts for poverty eradication at the global, regional and country levels, to intensify efforts so that all development and poverty reduction goals, as set out in the United Nations Millennium Declaration, are realized within their time framework, and reaffirms that investments in children and the realization of their rights contribute to their social and economic development, and are among the most effective ways to eradicate poverty; Right to the enjoyment of the highest attainable standard of health 22. Calls upon all States: (a) To take all necessary measures to ensure the right of the child to the enjoyment of the highest attainable standard of physical and mental health and to develop sustainable health systems and social services, to ensure access to such systems and services without discrimination, paying particular attention to adequate food and nutrition to prevent disease and malnutrition, to access to safe drinking water and sanitation, to prenatal and post-natal health care, to the special needs of adolescents, to reproductive and sexual health and to threats from substance abuse and violence; (b) To address, as a matter of priority, the vulnerabilities faced by children affected by and living with HIV by providing support and rehabilitation to those children, their families and caregivers, by promoting child-oriented HIV/AIDS policies and programmes, increased protection for children orphaned and affected by HIV, and by involving children, their caregivers and the private sector, to ensure access to affordable and effective prevention, care and treatment, including through correct information, access to voluntary and confidential testing, reproductive health care and education, access to pharmaceutical products and medical technologies, by intensifying efforts to develop new treatments for children and prioritizing prevention of mother-to-child transmission of the virus, and by building, where needed, and supporting social security systems to protect them;